/* Add visible slider handle after the divider line */
.image-comparison::before {
    content: '⟷';
    position: absolute;
    top: 50%;
    left: var(--slider-position);
    transform: translate(-50%, -50%);
    width: 50px;
    height: 50px;
    background: white;
    border: 3px solid var(--color-accent-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--color-accent-primary);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    pointer-events: none;
    z-index: 11;
    transition: all var(--transition-fast);
}

.image-comparison:hover::before {
    transform: translate(-50%, -50%) scale(1.1);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.5);
}

/* Pan and zoom controls */
.comparison-images {
    position: relative;
    width: 100%;
    padding-top: 66.67%;
    overflow: hidden;
    cursor: grab;
}

.comparison-images.panning {
    cursor: grabbing;
}

.comparison-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: transform 0.1s ease-out;
    transform-origin: center center;
}

/* Comparison Labels & Zoom Bar */
.comparison-labels {
    position: absolute;
    bottom: var(--spacing-md);
    left: var(--spacing-md);
    right: var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 12;
    pointer-events: none;
}

.label-original,
.label-processed,
.zoom-level {
    padding: 0.5rem 1rem;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(12px);
    border-radius: var(--radius-md);
    color: white;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

/* Zoom Controls Wrapper */
.zoom-wrapper {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    pointer-events: auto;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(12px);
    border-radius: var(--radius-full);
    padding: 0.3rem 0.5rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.zoom-level {
    background: transparent;
    border: none;
    box-shadow: none;
    padding: 0 0.5rem;
    min-width: 60px;
    text-align: center;
    color: white;
    font-size: 0.9rem;
    font-weight: 700;
}

.zoom-btn {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.1);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1.1rem;
    transition: all 0.2s;
}

.zoom-btn:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: scale(1.1);
}

/* Mobile Optimizations */
@media (max-width: 768px) {

    /* Target the overlay to remove padding on mobile */
    #preview-dialog.dialog-overlay {
        padding: 0;
        overflow: hidden;
    }

    #preview-dialog .dialog-large {
        width: 100% !important;
        height: 100vh !important;
        height: 100dvh !important;
        max-height: 100dvh !important;
        border-radius: 0 !important;
        padding: 0 !important;
        display: flex !important;
        flex-direction: column !important;
        margin: 0 !important;
        background: var(--color-bg-primary) !important;
    }

    #preview-dialog .dialog-content {
        flex: 1 !important;
        display: flex !important;
        flex-direction: column !important;
        padding: 0 !important;
        min-height: 0 !important;
        overflow: hidden !important;
        position: relative !important;
        max-height: none !important;
    }

    #preview-dialog #preview-title {
        margin: 1.25rem 3.5rem 0.75rem;
        font-size: 1rem;
        text-align: center;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        flex-shrink: 0;
        color: var(--color-text-primary);
        font-weight: 700;
    }

    #preview-dialog .preview-container {
        flex: 1 !important;
        display: flex !important;
        flex-direction: column !important;
        min-height: 0 !important;
        margin: 0 0.5rem 0.5rem !important;
        background: #000 !important;
        border-radius: var(--radius-lg) !important;
        overflow: hidden !important;
        border: 1px solid var(--color-border) !important;
    }

    #preview-dialog .image-comparison {
        flex: 1 !important;
        width: 100% !important;
        display: flex !important;
        flex-direction: column !important;
        position: relative !important;
        overflow: hidden !important;
    }

    #preview-dialog .comparison-images {
        flex: 1 1 auto !important;
        padding-top: 0 !important;
        width: 100% !important;
        height: 100% !important;
        position: relative !important;
        min-height: 0 !important;
    }

    /* Larger Slider Handle for Touch */
    #preview-dialog .image-comparison::before {
        width: 44px;
        height: 44px;
        font-size: 1.2rem;
        border-width: 2px;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
    }

    #preview-dialog .comparison-labels {
        bottom: 0.75rem;
        left: 0.5rem;
        right: 0.5rem;
        gap: 0.5rem;
        pointer-events: none;
    }

    .desktop-only {
        display: none !important;
    }

    #preview-dialog .zoom-wrapper {
        background: rgba(0, 0, 0, 0.85);
        border-radius: var(--radius-sm);
        padding: 0.3rem 0.6rem;
        pointer-events: auto;
    }

    #preview-dialog .zoom-level {
        font-size: 0.75rem;
        min-width: auto;
        padding: 0;
    }

    #preview-dialog .label-original,
    #preview-dialog .label-processed {
        padding: 0.35rem 0.6rem;
        background: rgba(0, 0, 0, 0.8);
        backdrop-filter: blur(8px);
        border-radius: var(--radius-sm);
        font-size: 0.65rem;
    }

    #preview-dialog .preview-info {
        display: flex !important;
        flex-direction: row !important;
        align-items: center !important;
        justify-content: space-around !important;
        gap: 0.5rem !important;
        padding: 0.75rem !important;
        background: var(--color-bg-secondary) !important;
        margin: 0 !important;
        border-radius: 0 !important;
        font-size: 0.7rem !important;
        border: none !important;
        border-top: 1px solid var(--color-border) !important;
        flex-shrink: 0 !important;
    }

    #preview-dialog .info-item {
        flex: 0 1 auto;
        min-width: 0;
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 0.1rem;
    }

    #preview-dialog .info-label {
        color: var(--color-text-tertiary);
        font-size: 0.55rem;
        text-transform: uppercase;
        letter-spacing: 0.05em;
        margin-bottom: 0;
    }

    #preview-dialog #original-dimensions,
    #preview-dialog #processed-dimensions {
        color: var(--color-text-primary);
        font-weight: 700;
        font-size: 0.75rem;
    }

    #preview-dialog .close-btn {
        top: 0.75rem;
        right: 0.75rem;
        width: 36px;
        height: 36px;
        background: var(--color-surface);
        backdrop-filter: blur(8px);
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.25rem;
        color: var(--color-text-primary);
        border: 1px solid var(--color-border);
        z-index: 100;
    }
}